CAPE CANAVERAL, Fla. (Reuters) - A U.S. military weather satellite appears to have exploded while in orbit last month after a sudden temperature spike in its power system, producing 43 pieces of new space debris, the Air Force said on Tuesday.

By Irene Klotz CAPE CANAVERAL, Fla. (Reuters) - A NASA science satellite on Friday will wrap up a 7-1/2-year journey to Ceres, an unexplored dwarf planet in the main asteroid belt between Mars and Jupiter, scientists said on Monday. Ceres, namesake of the Roman goddess of agriculture, is already providing intrigue.